By SCOTT BAUER and TAMMY WEBBER, Associated Press MADISON, Wisconsin (AP) — Friends and families of the roughly 60 people, including many children, hit by an SUV that sped through a Christmas parade in a suburban Milwaukee downtown say many suffered life-threatening injuries. One of them, 8-year-old Jackson Sparks, died on Tuesday, his parents announced on his GoFundMe page. His brother, 12-year-old